NVIDIA Tesla S2050 vs NVIDIA Tesla K20s

VS

NVIDIA Tesla S2050

NVIDIA Tesla K20s

We compared two Professional market GPUs: 3GB VRAM Tesla S2050 and 5GB VRAM Tesla K20s to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K20s 's Advantages

Released 1 years and 7 months late

More VRAM (5GB vs 3GB)

Larger VRAM bandwidth (208.0GB/s vs 148.4GB/s)

2048 additional rendering cores

Lower TDP (225W vs 900W)

Score

Benchmark

FP32 (float)

Tesla S2050

1.028 TFLOPS

Tesla K20s +179%

2.87 TFLOPS

Tesla S2050

VS

Tesla K20s

Graphics Card

Jul 2011

Release Date

Feb 2013

Tesla

Generation

Tesla

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

773 MHz

Memory Clock

1300 MHz

Memory

3GB

Memory Size

5GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

320bit

148.4GB/s

Bandwidth

208.0GB/s

Render Config

-

14

SM Count

-

448

Shading Units

2496

56

TMUs

208

48

ROPs

40

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

768 KB

L2 Cache

1280 KB

-

Theoretical Performance

16.07 GPixel/s

Pixel Rate

29.90 GPixel/s

32.14 GTexel/s

Texture Rate

119.6 GTexel/s

-

1028 GFLOPS

FP32 (float)

2.870 TFLOPS

513.9 GFLOPS

FP64 (double)

956.8 GFLOPS

Board Design

900W

TDP

225W

1300 W

Suggested PSU

550 W

No outputs

Outputs

No outputs

-

Graphics Processor

GF100

GPU Name

GK110

-

Fermi

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

3.1 billion

Transistors

7.08 billion

529 mm²

Die Size

561 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

2.0

CUDA

3.5

5.1

Shader Model

5.1

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